
Reductions in NO₂ along highways in China
Average TROPOMI NO₂ TVCD over Changchun, China (black dots) for 20 days (A) before and (B) after the 2020 LNY and (C) their difference. The locations of large power plants and other industrial plants are indicated by triangles and crosses, respectively. The lines show China National Highways.
Liu F, et al., 2020
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